Year current US$ 2005 310000.002384186 2006 349999.99403953605 2007 100000.00149011599 2008 239999.994635582 2009 319999.99284744303 2010 349999.99403953605 2011 109999.999403954 2012 250000 2013 100000.00149011599 2014 50000.0007450581 2015 100000.00149011599 2016 189999.99761581398 2017 59999.9986588955 2018 59999.9986588955 2019 39999.9991059303 2020 19999.9995529652 2021 270000.010728836 2022 239999.994635582